A New One‐Pot Synthetic Approach to the Highly Functionalized ( Z )‐2‐(Buta‐1,3‐dienyl)phenols and 2‐Methyl‐2 H ‐chromenes: Use of Amine, Ruthenium and Base‐Catalysis | Zendy

Ramachary Dhevalapally B. | Zendy; Narayana Vidadala V. | Zendy; Ramakumar Kinthada | Zendy

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A New One‐Pot Synthetic Approach to the Highly Functionalized ( Z )‐2‐(Buta‐1,3‐dienyl)phenols and 2‐Methyl‐2 H ‐chromenes: Use of Amine, Ruthenium and Base‐Catalysis

Author(s) -

Ramachary Dhevalapally B.,

Narayana Vidadala V.,

Ramakumar Kinthada

Publication year - 2008

Publication title -

european journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 1434-193X

DOI - 10.1002/ejoc.200800472

Subject(s) - chemistry , phenols , ruthenium , metathesis , ring (chemistry) , ring closing metathesis , catalysis , amine gas treating , organic chemistry , combinatorial chemistry , medicinal chemistry , polymerization , polymer

A practical and simple one‐pot multi‐catalysis process for the synthesis of highly substituted benzo[ b ]oxepines 5 , ( Z )‐2‐(buta‐1,3‐dienyl)phenols 6 and 2‐methyl‐2 H ‐chromenes 7 from simple starting materials was achieved for the first time through ring‐closing metathesis/base‐induced ring opening/[1,7]‐sigmatropic hydrogen shift reactions. The synthesis of privileged ( Z )‐2‐(buta‐1,3‐dienyl)phenols 6 via base‐induced ring opening of highly functionalized benzo[ b ]oxepines 5 is described(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)

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